CN111906899B - Reinforced structure for concrete construction template - Google Patents
Reinforced structure for concrete construction template Download PDFInfo
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- CN111906899B CN111906899B CN202010708237.0A CN202010708237A CN111906899B CN 111906899 B CN111906899 B CN 111906899B CN 202010708237 A CN202010708237 A CN 202010708237A CN 111906899 B CN111906899 B CN 111906899B
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- template
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- ejector rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention provides a reinforced structure for a concrete construction template, wherein a driving part sequentially comprises a driving shaft, a friction sleeve, a threaded sleeve and a cone frustum from top to bottom, the driving shaft sequentially comprises a driving shaft section, a threaded shaft section and a connecting shaft section which are coaxially and integrally connected from top to bottom, the threaded shaft section extends into the threaded sleeve and is in threaded connection with the threaded sleeve, and the threaded sleeve is fixedly connected with a base ferrule into a whole through a connecting bridge; the outer grapple is of a gamma structure, one section of the outer grapple is fixedly connected to the outer wall of the base ferrule, and the other section of the outer grapple crosses over the concrete mold cavity and then vertically clings to an outer arc-shaped template of the concrete mold cavity downwards; the two ends of the inner ejector rod are both in a ball head shape, one end of the inner ejector rod is in smooth contact with the conical side surface of the conical frustum, and the other end of the inner ejector rod is in smooth contact with the inner arc-shaped template of the concrete mold cavity; the inner mandril and all the outer grapples are arranged along the radial direction of the base ferrule. The reinforcing structure provided by the invention can effectively reinforce the template of the arc-shaped prefabricated member.
Description
Technical Field
The invention relates to a formwork reinforcing technology for concrete construction, in particular to a reinforcing structure for a concrete construction formwork.
Background
In concrete pouring, a concrete prefabricated part is usually required to be enclosed into a shape of a concrete prefabricated part by using templates to form a concrete cavity, and then concrete pouring is carried out, in the actual engineering, one concrete prefabricated part is in an arc shape and mainly used for assembling and forming a green belt in a petal shape, therefore, a plurality of concrete prefabricated parts are required to be poured at one time, the prefabricated parts are different from common cross beams, are in an arc shape and are poured in batches, after the existing inner arc-shaped templates and outer arc-shaped templates are directly and fixedly connected into a whole through end templates, the templates are easy to loosen or scatter due to expansion force when pouring towards the cavity, so that the concrete prefabricated parts are deformed or even directly collapsed, particularly when the concrete is oscillated and evenly poured after the concrete is poured, the templates are easy to loose and separate, and the supporting and fixing of the cavity templates at present usually directly adopts temporary battens or even bricks and the like to randomly support the templates from the outer side of the cavity inwards, on the one hand, the compressing supporting force born by each mould section is uneven, the fixing effect is not good, on the other hand, the supporting and fixing construction for the template is complicated and not standard, each supporting piece on the site is messy, inconvenience is caused to the site construction to a certain extent, particularly, the casting molding is carried out on large batches of prefabricated pieces, scattered template supporting parts and stub bars are more messy, and the management and the use are difficult.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the reinforced structure for the concrete construction template is provided, and the problems that the template of the arc-shaped concrete prefabricated part is easy to loosen and inconvenient to construct and manage in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reinforced structure for a concrete construction template comprises a driving part, a base ring, an outer grapple and an inner ejector rod, wherein the driving part is coaxially arranged in the base ring;
the driving part sequentially comprises a driving shaft, a friction sleeve, a threaded sleeve and a cone frustum from top to bottom, the driving shaft sequentially comprises a driving shaft section, a threaded shaft section and a connecting shaft section which are coaxially and integrally connected from top to bottom, a plurality of retractable jacking springs are arranged in the driving shaft section along the radial direction, all the jacking springs are in a circular array by taking the circle center of the driving shaft section as the center, one end of each jacking spring is fixed in the driving shaft section, the other end of each jacking spring is connected with a friction tile, one side of the friction tile is positioned in the driving shaft section, the other side of the friction tile is positioned in an annular groove which is arranged on the inner wall of the friction sleeve and sleeved outside the driving shaft section, and the friction tile is extruded and in frictional contact with the groove bottom of the annular groove under the action of the pushing spring, so that the friction sleeve can synchronously rotate with the driving shaft section together with the preset torque when the driving shaft section rotates, and a cantilever fixedly connected to the outer wall of the friction sleeve can be tightly attached to an end template at one end of the concrete cavity; the threaded shaft section extends into the threaded sleeve and is in threaded connection with the threaded sleeve, and the threaded sleeve is fixedly connected with the base ferrule into a whole through a connecting bridge; the connecting shaft section is coaxially inserted into the large end of the cone frustum and can freely rotate in the large end of the cone frustum, and the small end of the cone frustum faces downwards;
the outer grapple is of a gamma structure, one section of the outer grapple is fixedly connected to the outer wall of the base ferrule, and the other section of the outer grapple crosses over the concrete mold cavity and then is vertically and downwards tightly attached to an outer arc-shaped template of the concrete mold cavity; the inner ejector rod penetrates through the base ferrule in a sliding manner and is always kept at a set initial position in a non-working state through an elastic element, two ends of the inner ejector rod are both in a ball head shape, one end of the inner ejector rod is in smooth contact with the conical side surface of the conical frustum, and the other end of the inner ejector rod is in smooth contact with the inner arc-shaped template of the concrete mold cavity; all the inner ejector rods and all the outer grapples are arranged along the radial direction of the base ferrule and are respectively in a circular array in a sector area where the concrete mold cavity is located by taking the circle center of the base ferrule as the center, so that all the inner ejector rods simultaneously extend towards the inner arc-shaped template and tightly push the inner arc-shaped template when the cone frustum vertically moves downwards.
Compared with the prior art, the invention has the following beneficial effects: the inner ejector rod and the cantilever are driven by the driving shaft to be respectively compressed and fixed in the radial direction and the circumferential direction of the template, so that the concrete template of the whole concrete mold cavity is skillfully fixed, the concrete template is firmly fixed, and the conditions of frame scattering and excessive deformation of the mold cavity are avoided. The invention adopts the overload type slipping fit of the pushing spring between the driving shaft section and the friction sleeve, which can ensure that the inner ejector rod and the cantilever are in linkage control while the cantilever is tightly pressed in place without interfering the feeding motion of the inner ejector rod which is continuously pushed downwards by the cone frustum, and if a pushing spring is further sleeved at one end of the inner ejector rod facing towards the inner arc-shaped template, the inner ejector rod is in a structure of tightly pushing the inner arc-shaped plate through the pushing spring, the linkage control of the inner ejector rod and the cantilever cannot be realized because one of the inner ejector rod and the cantilever cannot continuously move towards the pushing direction after being tightly pushed in place, and the linkage pressing fixation but mutual noninterference can be really realized.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a partial front view of the present invention;
FIG. 2 is a partial top view of the present invention;
fig. 3 is a partial structural schematic diagram of one of the outer grapples pressing the outer arc-shaped formworks.
The base comprises a base ferrule 1, an outer grab hook 2, an inner ejector rod 3, a driving shaft section 4, a friction sleeve 5, a friction tile 6, a pushing spring 7, a threaded shaft section 8, a threaded sleeve 9, a connecting bridge 10, a connecting shaft section 11, a cone frustum 12, an elastic element 13, a cantilever 14, an outer arc template 15, an inner arc template 16, a pedal plate 17, an end fixing plate 18, an end template 19, a jacking spring 20, a mandrel 21, a roller 22 and an auxiliary supporting plate 23.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:
as shown in fig. 1 to 2, the present embodiment describes a reinforcing structure for a concrete construction formwork, which mainly includes a driving part, a base collar 1, and an outer grapple 2 and an inner jack 3, the driving part being coaxially disposed within the base collar 1. Specifically, drive unit includes drive shaft, friction sleeve 5, thread bush 9, circular cone 12 from top to bottom in proper order, the drive shaft includes coaxial integrative initiative shaft part 4, thread shaft part 8, connecting shaft part 11 that link to each other from top to bottom in proper order, the inside of initiative shaft part 4 is equipped with a plurality of top push springs 7 that can stretch along its radial, and all top push springs 7 use the centre of a circle of initiative shaft part 4 to be circular array as the center, top push springs 7 one end is fixed in initiative shaft part 4, and the other end is connected with friction tile 6, and friction tile 6 is the tile form, its radian with the tank bottom of ring channel is unanimous, and friction tile 6 one side is located initiative shaft part 4, and the opposite side is located the cover and establishes outside initiative shaft part 4 in the ring channel that friction sleeve 5 inner wall was seted up, and friction tile 6 is in top push springs 7 effect down with the tank bottom extrusion of ring channel, frictional contact, the friction sleeve 5 can be made of some existing wear-resistant materials during specific manufacturing, so that the friction sleeve 5 can synchronously rotate together with the driving shaft section 4 within a preset torque when the driving shaft section 4 rotates. The outer wall of the friction sleeve 5 in this embodiment is fixedly connected with a cantilever 14 which is substantially L-shaped, and the free end of the cantilever can be tightly attached to an end formwork 19 at one end of the concrete cavity so as to press the concrete cavity tightly. The threaded shaft section 8 extends into the threaded sleeve 9 to be in threaded connection with the threaded sleeve 9, and the threaded sleeve 9 is fixedly connected with the base ferrule 1 into a whole through a connecting bridge 10 so as to rotate the driving shaft section 4. As shown in fig. 1, the connecting shaft segment 11 is coaxially inserted into the large end of the truncated cone 12 and can freely rotate in the large end of the truncated cone 12, and the small end of the truncated cone 12 faces downward to press the end of the corresponding inner pin 3.
The outer grapple 2 of this embodiment is of a gamma type structure, one section of the outer grapple 2 is fixedly connected to the outer wall of the base ferrule 1, and the other section of the outer grapple crosses over the concrete mold cavity and then is tightly attached to the outer arc-shaped formwork 15 of the concrete mold cavity vertically and downwards so as to support and compress the outer arc-shaped formwork 15. Meanwhile, the inner top rod 3 penetrates through the base ferrule 1 in a sliding manner and is always kept at a given initial position in a non-working state through the elastic element 13, and in order to facilitate the stable sliding of the inner top rod 3, a reinforcing rib block can be additionally arranged at the position of the base ferrule 1, through which the inner top rod 3 extends in a sliding manner, so that the inner top rod 3 can penetrate, and the purpose of locally thickening the base ferrule 1 in a phase-changing manner is achieved. The above-mentioned elastic element 13 may be a conventional spring, which is mounted as shown in fig. 1. In addition, both ends of the inner mandril 3 are in a ball head shape so as to be matched with the cone frustum 12, one end of the inner mandril is in smooth contact with the conical side surface of the cone frustum 12, and the other end of the inner mandril is in smooth contact with the inner arc-shaped template 16 of the concrete mold cavity. All the inner ejector rods 3 and all the outer grapples 2 are arranged along the radial direction of the base ferrule 1 and are respectively in a circular array in a sector area where the concrete mold cavity is located by taking the circle center of the base ferrule 1 as the center, so that all the inner ejector rods 3 simultaneously extend towards the inner arc-shaped formwork 16 and tightly push the inner arc-shaped formwork when the cone frustum 12 vertically moves downwards, and the formwork is fixed in a clamping manner.
When the invention is used, the base ferrule 1 is roughly placed at the center of an arc template which encloses a concrete mold cavity, the other section of all the outer grapples 2 can be hooked on the surface of the outer arc template 15 or opposite to the outer arc template as far as possible, the base ferrule 1 is gradually moved, when the other section of all the outer grapples 2 is attached to the surface of the outer arc template 15, the base ferrule 1 is installed in place, at the moment, the driving shaft section 4 is rotated, all the inner mandrils 3 are synchronously ejected towards the inner arc template 16 through the downward movement of the thread pair between the thread shaft section 8 and the thread sleeve 9 and are finally in extrusion contact with the inner arc template 16, so that the inner mandrils 3 and the outer grapples 2 form a clamping action to clamp the inner arc template 16 and the outer arc template 15 together, the manufactured arc-shaped die cavity can be more stable, the corresponding die plate can not be loosened to cause die cavity scattering, the die plate can be well fixed, and even if the original prefabricated die cavity die plate is loosened, the die can not be scattered due to the die cavity die-fixing device. Meanwhile, because the elastic force of the pushing spring 7 is existed, the friction sleeve 5 and the driving shaft section 4 are connected into a whole, when the driving shaft section 4 starts to rotate, the two are synchronously rotated to drive the cantilever 14 to approach towards the end plates of the moulds and to be in extrusion contact, the end mould plate 19 is fixed, and because the pressing force required by the end mould plate 19 is far less than the pressing force required by the two arc mould plates, when the driving shaft section 4 is further rotated, when the cantilever 14 has given enough pressing and fixing force to the end mould plate 19, the friction force between the friction sleeve 5 and the driving shaft section 4 caused by the elastic force of the spring is overcome by the torque generated by further rotation, so that the friction sleeve 5 and the driving shaft section 4 are relatively rotated, and the slippage occurs, at the moment, the driving shaft section 4 continues to rotate, and when the cantilever 14 reaches the limit position, the friction sleeve 5 and the driving shaft section 4 correspondingly slip occurs, in this way, the inner mandril 3 and the cantilever 14 are controlled in a linkage manner through the driving shaft, and the template is compressed and fixed in the radial direction and the circumferential direction in a coordinated and efficient manner. Particularly preferably, when the driving shaft section 4 reaches the position for jacking the inner mandril 3, the cantilever 14 and the driving shaft section 4 rotate relatively and the rotation amount is not more than 180 degrees. Of course, when the invention is used, if the conditions allow, the center of the arc concrete mold cavity can be directly drawn, and the base ferrule 1 is directly placed on the arc concrete mold cavity to fix and adjust the template. In order to facilitate the rotation of the driving shaft, the base ferrule 1 can be made heavier, or even fixed on the ground when necessary, so as to form a permanent and stable installation and use, and whether a universal wheel capable of self-locking is installed at the bottom end of the base ferrule 1 or not can be selected according to requirements so as to facilitate the mobile installation.
In specific implementation, the bottom end edge of one side of the base ferrule 1 opposite to the concrete mold cavity is connected with a fan-shaped pedal plate 17 for people to stand, so that people can stand on the side to operate the base ferrule, and the self weight of people plays a great role in stabilizing the base ferrule 1 during rotation of the driving shaft, thereby achieving two purposes at one stroke. An arc-shaped auxiliary support plate 23 fixedly connected with the base ring is coaxially arranged on the outer side of the base ring, one section of the outer grapple 2 is lapped on the upper end face of the auxiliary support plate 23, the inner mandril 3 penetrates through the auxiliary support plate 23 in a sliding fit mode and then extends to the inner arc-shaped template 16, and the auxiliary support plate 23 can enable the outer grapple 2 and the inner mandril 3 to move more stably.
Further, the present embodiment further includes an end fixing plate 18, as shown in fig. 1, a side surface of the end fixing plate 18 is convexly provided with a conical boss, and the boss is slidably inserted into a conical hole formed by splicing the inner arc formwork 16 and the outer arc formwork 15 at the end formwork 19 and contacts with the end formwork 19. When the cantilever 14 is rotated, the free end of the cantilever 14 pushes the end fixing plate 18, and due to the guiding effect of the conical boss, force can be transferred more accurately and stably, so that the end template 19 is pressed tightly.
As a specific implementation detail, as shown in fig. 2, a tightening spring 20 is sleeved at one end of the inner top rod 3 facing the inner arc-shaped formwork 16, and the inner top rod 3 tightens the inner arc-shaped formwork through the tightening spring 20. The jacking spring 20 is adopted for jacking, because if the movement of a certain inner ejector rod 3 is not synchronous, for example, the extension amount is longer than the extension amount of the other inner ejector rods, the certain inner ejector rod 3 can be jacked against the inner arc-shaped template 16 for a long time, the other inner ejector rods cannot move at the moment, so that the fixing effect is unbalanced, and the jacking force of the other inner ejector rods 3 can not be influenced or reduced under the condition that the certain inner ejector rod 3 is not telescopic synchronously by adopting the jacking spring 20 for force transmission, which is particularly effective when the fault happens after the multi-time use of the invention. In order to improve the contact stability and reduce the friction and wear, one end of the puller spring 20 is coaxially fixed on the inner mandril 3, and the other end is internally embedded with a steel ball used for contacting with the inner arc-shaped plate. In addition, a steering wheel-shaped operating panel is fixedly mounted on the top end of the driving shaft section 4 so as to easily rotate the driving shaft section 4.
Specifically, the present embodiment further includes a stepping motor (not shown in the figure) and a gear box (not shown in the figure), wherein the stepping motor drives the gear box to drive the driving shaft section 4 to rotate, so as to set a predetermined rotation time or a predetermined rotation angle of the driving shaft section 4, thereby implementing a fully automatic control, and the present embodiment is particularly suitable for a large batch of concrete prefabricated members.
In order to adjust the installation position of the present invention, and to adjust the position of the base ferrule 1 to the center of the concrete mold cavity more conveniently and quickly, as shown in fig. 3, another section of the outer grapple 2 of the present embodiment includes a roller 22 and a mandrel 21, the mandrel 21 is vertically and fixedly connected with one section of the outer grapple 2, the roller 22 is sleeved on the mandrel 21 and is in rotating fit with the mandrel 21, and the outer surface of the roller 22 is a smooth surface in smooth contact with the outer arc mold plate 15, so that the outer grapple 2 is in rolling fit with the outer arc mold plate 15, and the movement adjustment of the outer grapple 2 is facilitated.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The utility model provides a reinforced structure for concrete construction template which characterized in that: the device comprises a driving part, a base ring, an outer grapple and an inner ejector rod, wherein the driving part is coaxially arranged in the base ring;
drive part, it includes drive shaft, friction cover, thread bush, circular cone from top to bottom in proper order, the drive shaft is by last initiative shaft part, thread shaft part, the connecting shaft section that links to each other of coaxial an organic whole under to in proper order, the inside of initiative shaft part is equipped with a plurality of can flexible top along its footpath and pushes away the spring, and all top push away the spring and use the centre of a circle of initiative shaft section to be circular array as the center, push away in spring one end is fixed in the initiative shaft part, and the other end is connected with the friction tile, friction tile one side is located the initiative shaft part, and the opposite side is located the cover and is established outside the initiative shaft part in the ring channel that the friction cover inner wall was seted up, and the friction tile is in push away under the spring effect with tank bottom extrusion, the frictional contact of ring channel to when making to rotate the initiative shaft section friction cover in the same step rotation of predetermined moment of torsion internal energy with initiative shaft part, just a cantilever of rigid coupling can (ii) a The threaded shaft section extends into the threaded sleeve and is in threaded connection with the threaded sleeve, and the threaded sleeve is fixedly connected with the base ferrule into a whole through a connecting bridge; the connecting shaft section is coaxially inserted into the large end of the cone frustum and can freely rotate in the large end of the cone frustum, and the small end of the cone frustum faces downwards;
the outer grapple is of a gamma structure, one section of the outer grapple is fixedly connected to the outer wall of the base ferrule, and the other section of the outer grapple crosses over the concrete mold cavity and then is vertically and downwards tightly attached to an outer arc-shaped template of the concrete mold cavity; the inner ejector rod penetrates through the base sleeve ring in a sliding manner and is always kept at a set initial position in a non-working state through an elastic element, two ends of the inner ejector rod are both in a ball head shape, one end of the inner ejector rod is in smooth contact with the conical side surface of the conical frustum, and the other end of the inner ejector rod is in smooth contact with the inner arc-shaped template of the concrete mold cavity; all the inner ejector rods and all the outer grapples are arranged along the radial direction of the base ferrule and are respectively in a circular array in a sector area where the concrete mold cavity is located by taking the circle center of the base ferrule as the center, so that all the inner ejector rods simultaneously extend towards the inner arc-shaped template and tightly push the inner arc-shaped template when the cone frustum vertically moves downwards.
2. The reinforced structure for a concrete construction formwork according to claim 1, wherein: an arc-shaped auxiliary supporting plate fixedly connected with the base ferrule is coaxially arranged on the outer side of the base ferrule, one section of the outer grapple is lapped on the upper end face of the auxiliary supporting plate, and the inner ejector rod penetrates through the auxiliary supporting plate in a sliding fit mode and then extends to the inner arc-shaped template.
3. The reinforced structure for a concrete construction formwork according to claim 1, wherein: the end part fixing plate is characterized by further comprising an end part fixing plate, wherein a conical boss is convexly arranged on one side surface of the end part fixing plate, and the boss can be slidably inserted into a conical hole formed by splicing the inner arc-shaped template and the outer arc-shaped template at the end template and is in contact with the end template.
4. The reinforced structure for a concrete construction formwork according to claim 1, wherein: one end of the inner ejector rod facing the inner arc-shaped template is sleeved with a jacking spring, and the inner ejector rod jacks the inner arc-shaped template through the jacking spring; one end of the jacking spring is coaxially fixedly connected to the inner ejector rod, and a steel ball used for being in contact with the inner arc-shaped template is embedded in the other end of the jacking spring.
5. The reinforced structure for a concrete construction formwork according to claim 1, wherein: and the top end of the driving shaft section is fixedly provided with a steering wheel-shaped operating panel.
6. The reinforced structure for a concrete construction formwork according to claim 1, wherein: the friction tile is tile-shaped, and the radian of the tile is consistent with that of the groove bottom of the annular groove.
7. The reinforced structure for a concrete construction formwork according to claim 1, wherein: the driving shaft section is driven to rotate by the stepping motor and the gear box.
8. The reinforced structure for a concrete construction formwork according to claim 1, wherein: the other section of the outer grapple comprises a roller and a mandrel, the mandrel is vertically and fixedly connected with one section of the outer grapple, the roller is sleeved on the mandrel and is in running fit with the mandrel, and the outer surface of the roller is a smooth surface which is in smooth contact with the outer arc-shaped template.
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| CN202010708237.0A CN111906899B (en) | 2020-07-22 | 2020-07-22 | Reinforced structure for concrete construction template |
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| CN202010708237.0A CN111906899B (en) | 2020-07-22 | 2020-07-22 | Reinforced structure for concrete construction template |
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| CN111906899B true CN111906899B (en) | 2021-09-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5186874A (en) * | 1990-05-15 | 1993-02-16 | Mclaughlin Raymond | Method for casting stairs within pools |
| CN101134339B (en) * | 2006-08-29 | 2010-11-24 | 上海重型机械工程成套有限公司 | Arch bottom mold |
| CN206216878U (en) * | 2016-10-08 | 2017-06-06 | 霍尔果斯新国金新能源科技有限公司 | Top board mould for wind-driven generator concrete tower and the mould with it |
| CN109109137B (en) * | 2018-06-06 | 2020-05-08 | 北京天杉高科风电科技有限责任公司 | Mold for fan tower and manufacturing method thereof |
| CN209319983U (en) * | 2018-08-11 | 2019-08-30 | 广东粤承装配工业科技有限公司 | A kind of precast beam molding die |
| CN109227899A (en) * | 2018-11-21 | 2019-01-18 | 扬州牧羊隧道设备有限公司 | A kind of novel tunnel lining segment mold |
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